Extraction of manganese from Georgia umber ores by a sulfuric acid-ferrous sulfate process (in two parts).
2,
Cocurrent extraction and centrifuge tests /
by H.P. LeVan.

APA Citation

LeVan, H. P. (Herbert P.)., University of Alabama., United States. Bureau of Mines. (1972). Extraction of manganese from Georgia umber ores by a sulfuric acid-ferrous sulfate process (in two parts). [Washington, D.C.]: U.S. Dept. of Interior, Bureau of Mines.

MLA Citation

LeVan, H. P. (Herbert P.), University of Alabama, and United States. Bureau of Mines. Extraction of Manganese From Georgia Umber Ores by a Sulfuric Acid-ferrous Sulfate Process (in Two Parts). [Washington, D.C.]: U.S. Dept. of Interior, Bureau of Mines, 1972.

Warning: These citations may not always be complete (especially for serials).